281 lines
6 KiB
Text
281 lines
6 KiB
Text
# Bison Parser Headers. -*- Autotest -*-
|
|
|
|
# Copyright (C) 2001-2002, 2006-2007, 2009-2012 Free Software
|
|
# Foundation, Inc.
|
|
|
|
# This program is free software: you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation, either version 3 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
AT_BANNER([[Parser Headers.]])
|
|
|
|
|
|
## --------------------- ##
|
|
## Invalid CPP headers. ##
|
|
## --------------------- ##
|
|
|
|
# AT_TEST_CPP_GUARD_H(BASE-NAME, [DIRECTIVES])
|
|
# --------------------------------------------
|
|
# FIXME: Much of this can be covered by calc.at.
|
|
m4_define([AT_TEST_CPP_GUARD_H],
|
|
[AT_SETUP([Invalid CPP guards: $2 --defines=$1.h])
|
|
AT_BISON_OPTION_PUSHDEFS([$2])
|
|
# Possibly create inner directories.
|
|
dirname=`AS_DIRNAME([$1])`
|
|
AS_MKDIR_P([$dirname])
|
|
|
|
AT_DATA_GRAMMAR([$1.y],
|
|
[$2
|
|
%{
|
|
#include <$1.h>
|
|
]AT_YYERROR_DECLARE_EXTERN[
|
|
]AT_YYLEX_DECLARE_EXTERN[
|
|
%}
|
|
%%
|
|
dummy:;
|
|
%%
|
|
#include <$1.h>
|
|
])
|
|
|
|
AT_BISON_CHECK([--defines=$1.h --output=$1.c $1.y])
|
|
|
|
AT_COMPILE([$1.o], [-I. -c $1.c])
|
|
|
|
AT_BISON_OPTION_POPDEFS
|
|
AT_CLEANUP
|
|
])
|
|
|
|
AT_TEST_CPP_GUARD_H([input/input])
|
|
AT_TEST_CPP_GUARD_H([9foo])
|
|
AT_TEST_CPP_GUARD_H([input/input], [%glr-parser])
|
|
AT_TEST_CPP_GUARD_H([9foo], [%glr-parser])
|
|
|
|
|
|
|
|
## ---------------- ##
|
|
## export YYLTYPE. ##
|
|
## ---------------- ##
|
|
|
|
|
|
AT_SETUP([export YYLTYPE])
|
|
|
|
AT_DATA_GRAMMAR([input.y],
|
|
[%locations
|
|
|
|
%name-prefix "my_"
|
|
%{
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
static int
|
|
my_lex (void)
|
|
{
|
|
return EOF;
|
|
}
|
|
|
|
static void
|
|
my_error (const char *msg)
|
|
{
|
|
fprintf (stderr, "%s\n", msg);
|
|
}
|
|
|
|
%}
|
|
%%
|
|
exp:;
|
|
])
|
|
|
|
AT_BISON_CHECK([--defines -o input.c input.y])
|
|
|
|
# YYLTYPE should be defined, and MY_LLOC declared.
|
|
AT_DATA([caller.c],
|
|
[[#include "input.h"
|
|
YYLTYPE *my_llocp = &my_lloc;
|
|
|
|
int my_parse (void);
|
|
|
|
int
|
|
main (void)
|
|
{
|
|
return my_parse ();
|
|
}
|
|
]])
|
|
|
|
# Link and execute, just to make sure everything is fine (and in
|
|
# particular, that MY_LLOC is indeed defined somewhere).
|
|
AT_COMPILE([caller.o])
|
|
AT_COMPILE([input.o])
|
|
AT_COMPILE([caller], [caller.o input.o])
|
|
AT_PARSER_CHECK([./caller])
|
|
|
|
AT_CLEANUP
|
|
|
|
## ----------------- ##
|
|
## Several parsers. ##
|
|
## ----------------- ##
|
|
|
|
AT_SETUP([Several parsers])
|
|
|
|
# AT_TEST([PREFIX], [DIRECTIVES])
|
|
# -------------------------------
|
|
# Generate and compile to *.o. Make sure there is no (allowed) YY*
|
|
# nor yy* identifiers in the header. Check that headers are
|
|
# self-contained, and can be compiled by a C++ compiler.
|
|
m4_pushdef([AT_TEST],
|
|
[AT_BISON_OPTION_PUSHDEFS([%define api.prefix "$1_" $2])
|
|
AT_DATA_GRAMMAR([$1.y],
|
|
[[%define api.prefix "$1_"
|
|
$2
|
|
%error-verbose
|
|
%union
|
|
{
|
|
int integer;
|
|
}
|
|
%{
|
|
#include <stdio.h>
|
|
]AT_YYERROR_DECLARE[
|
|
]AT_YYLEX_DECLARE[
|
|
%}
|
|
%%
|
|
exp:
|
|
'x' '1' { printf ("x1\n"); }
|
|
| 'x' '2' { printf ("x2\n"); }
|
|
| 'x' '3' { printf ("x3\n"); }
|
|
| 'x' '4' { printf ("x4\n"); }
|
|
| 'x' '5' { printf ("x5\n"); }
|
|
| 'x' '6' { printf ("x6\n"); }
|
|
| 'x' '7' { printf ("x7\n"); }
|
|
| 'x' '8' { printf ("x8\n"); }
|
|
;
|
|
|
|
%%
|
|
]AT_YYERROR_DEFINE[
|
|
]AT_YYLEX_DEFINE(["$1"])[
|
|
]])
|
|
|
|
AT_BISON_CHECK([-d -o $1.AT_SKEL_CC_IF([cc], [c]) $1.y])
|
|
|
|
AT_LANG_COMPILE([$1.o])
|
|
AT_CHECK([[echo "$1" >>expout]])
|
|
|
|
AT_BISON_OPTION_POPDEFS
|
|
])# AT_TEST
|
|
|
|
AT_DATA([main.cc],
|
|
[AT_DATA_SOURCE_PROLOGUE
|
|
[// If we are compiling with CC=$CXX, then do not load the C headers
|
|
// inside extern "C", since they were _not_ compiled this way.
|
|
#if ! CC_IS_CXX
|
|
extern "C"
|
|
{
|
|
#endif
|
|
#include "x1.h"
|
|
#include "x2.h"
|
|
#include "x3.h"
|
|
#include "x4.h"
|
|
#include "x6.h"
|
|
#include "x7.h"
|
|
#include "x8.h"
|
|
#if ! CC_IS_CXX
|
|
}
|
|
#endif
|
|
#include "x5.hh"
|
|
//#include "x6.hh"
|
|
|
|
#define RUN(S) \
|
|
do { \
|
|
int res = S; \
|
|
if (res) \
|
|
std::cerr << #S": " << res << std::endl; \
|
|
} while (false)
|
|
|
|
int
|
|
main (void)
|
|
{
|
|
RUN(x1_parse());
|
|
RUN(x2_parse());
|
|
RUN(x3_parse());
|
|
RUN(x4_parse());
|
|
x5_::parser p5;
|
|
RUN(p5.parse());
|
|
RUN(x6_parse());
|
|
RUN(x7_parse());
|
|
RUN(x8_parse());
|
|
// x6_::parser p6;
|
|
// RUN(p6.parse());
|
|
return 0;
|
|
}
|
|
]])# main.cc
|
|
|
|
AT_TEST([x1], [])
|
|
AT_TEST([x2], [%locations %debug])
|
|
AT_TEST([x3], [%glr-parser])
|
|
AT_TEST([x4], [%locations %debug %glr-parser])
|
|
AT_TEST([x5], [%locations %debug %language "c++"])
|
|
AT_TEST([x6], [%define api.pure])
|
|
AT_TEST([x7], [%define api.push-pull both])
|
|
AT_TEST([x8], [%define api.pure %define api.push-pull both])
|
|
#AT_TEST([x5], [%locations %language "c++" %glr-parser])
|
|
|
|
# Check there is no 'yy' left.
|
|
# C++ output relies on namespaces and still uses yy a lot.
|
|
#
|
|
# Check there is no 'YY' left.
|
|
# Ignore comments, YYChar (template parameter), YYPARSE_PARAM
|
|
# (obsolete), YYPUSH_MORE(_DEFINED)? (constant definition),
|
|
# YY_\w+_INCLUDED (header guards).
|
|
#
|
|
# YYDEBUG (not renamed) can be read, but not changed.
|
|
AT_CHECK([[$PERL -n -0777 -e '
|
|
s{/\*.*?\*/}{}gs;
|
|
s{//.*}{}g;
|
|
s{\b(YYChar
|
|
|YYPARSE_PARAM
|
|
|YYPUSH_MORE(_DEFINED)?
|
|
|YY_\w+_INCLUDED
|
|
|YY_NULL
|
|
|(defined|if)\ YYDEBUG
|
|
)\b}{}gx;
|
|
while (/^(.*YY.*)$/gm)
|
|
{
|
|
print "$ARGV: invalid exported YY: $1\n";
|
|
}
|
|
if ($ARGV =~ /\.h$/)
|
|
{
|
|
while (/^(.*yy.*)$/gm)
|
|
{
|
|
print "$ARGV: invalid exported yy: $1\n";
|
|
}
|
|
}
|
|
' -- *.hh *.h]])
|
|
|
|
# Check that the headers are self-contained, and protected against
|
|
# multiple inclusions. While at it, check they are sane for C++.
|
|
for h in *.h *.hh
|
|
do
|
|
# No shell expansion with AT_DATA.
|
|
cat >$h.cc <<EOF
|
|
AT_DATA_SOURCE_PROLOGUE
|
|
#include "$h"
|
|
#include "$h"
|
|
EOF
|
|
AT_COMPILE_CXX([$h.o])
|
|
done
|
|
|
|
# Do this late, so that other checks have been performed.
|
|
AT_SKIP_IF_CANNOT_LINK_C_AND_CXX
|
|
|
|
AT_COMPILE_CXX([parser], [[x[1-8].o -DCC_IS_CXX=$CC_IS_CXX main.cc]])
|
|
AT_PARSER_CHECK([./parser], [0], [[expout]])
|
|
|
|
m4_popdef([AT_TEST])
|
|
|
|
AT_CLEANUP
|